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6 layers84 × 50 mmSolar ribbit, the printed circuit board in 3D

The sensor for the world's largest crowdsourced network of open-source, low-cost, GHG Gas Detection Sensors.

Size
84 × 50 mm
Copper layers
6
Thickness
1.61 mm
Parts
171
Nets
181
Pads
722
Tracks, vias
1,755, 493
Pours
70
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
5 Jun 2021
Updated
13 Jan 2026

Overview

Solar ribbit is an open-source printed circuit board by Ribbit-Network, from the Ribbit-Network/ribbit-network-frog-hardware repository on GitHub, published under the MIT licence. It is a 6-layer board of 84 × 50 mm with 171 parts on 181 nets, routed with 1,755 tracks and 493 vias.

It is built around the NRF52833-QDAA-B-R7, SKY65943-11 and MX25V8035FZUI, with the TPS631010YBGR, BQ25798RQMR and BQ298000RUGT among its other parts. Its parts include 62 capacitors, 45 resistors, 17 connectors, 9 ICs and 9 inductors. It belongs with the sensors and measurement and power boards and the nRF52 and nRF5x boards of this library.

Main components

12

README

README.md

Ribbit Network Frog Sensor

All Contributors

This project will create the world's largest Greenhouse Gas Emissions dataset that will empower anyone to join in the work on climate and provide informed data for climate action.

Ribbit Network is a large network of open-source, low-cost, Greenhouse Gas (CO2 and hopefully other gasses in the future) Detection Sensors. These sensor units will be sold by the Ribbit Network and will upload their data to the cloud, creating the world's most complete Greenhouse Gas dataset.

This repository contains the design files, software, documentation, and assembly instructions for the Frog Sensor.

OSHW

Frog Sensors

Our “Frogs” are tiny sensors that you can build and deploy at your own home! It’s a small, open-source device that measures the amount of CO2 in the air using a tiny laser. It's easy to set up and will constantly record valuable scientific data on our climate.

Frogs are one of the species that are most affected by climate change! Just like our sensors, they ribbit to one another to create a powerful network of data about the environment.

Frog Sensor

Build a Frog!

We encourage you to jump in and build your own Frog Sensor! It's recommended to build a V4 Frog and the instructions from this repo are rendered into a nice webpage at the link below:

Build a Frog Sensor!

There have been four major versions of the Frog Sensor to date. We currently recommend building version 4 of the Frog and this repo contains the files and instructions relevant to V4.

  • Frog Sensor Version 4 - This version of the sensor is based on an esp32 microcontroller.
  • Frog Sensor Version 3 - This version is based on a Raspberry Pi CM4 and includes a fully 3D printed enclosure.
  • Frog Sensor Version 2 - This version is based on a Beaglebone black and includes a fully 3D printed enclosure.
  • Frog Sensor Version 1 - This version was based on the Raspberry Pi and included an off-the-shelf enclosure

See each folder linked above for the relevant design files, CAD, and assembly instructions!

Need Help?

If you are not sure where to start or just want to chat join our developer slack here.. You can also start a discussion right here in Github.

View the Data!

The first prototype sensors are up and running! Here is some real data from our sensor network! (Note this dashboard is still experimental and may be down occasionally).

See more about the cloud database here.

Questions?

Check out the Frequently Asked Questions section. If you don't see your question, let us know either in a Github Discussion or via chat.

Ribbit Frog V4

This is the hardware repository that contains all the design files for the physical assembly of the Frog Sensor.

Bill of Materials (Parts List)

The hardware Bill of Materials is located here.

Mechanical CAD Files

The mechanical design files are hosted on Onshape. Onshape is available to use for free with public assemblies and you can create a copy of the assembly for any edits you would like to make.

Link to Onshape Assembly

Electronics Block Diagram

Block Diagram

The diagram above can be edited with drawio or with the awesome Draw.io Visual Studio Code Plugin

Get Involved

Are you interested in getting more involved or leading an effort in the Ribbit Network project? We are recruiting for additional members to join the Core Team. See the Open Roles and descriptions here..

Contributing

See the Issues section of this project for the work that I've currently scoped out to be done. Reach out to me if you are interested in helping out! The projects section helps detail the major efforts going on right now.

We have a contributing guide that details the process for making a contribution.

If you are not sure where to start or just want to chat join our developer slack here.. You can also start a discussion right here in Github.

Background Information

See the Wiki for background research. This project is inspired by some awesome research by incredible scientists in academia.

Ribbit Network

Ribbit Network is a non-profit (501c3) creating the world's largest Greenhouse Gas Emissions dataset that will empower anyone to join in the work on climate and provide informed data for climate action. We're an all volunteer team building everything we do in the open-source community.

If you would like to consider sponsoring Ribbit Network you can do via this link. The money is used to pay for software fees, purchase R&D hardware and generally support the mission of Ribbit Network.

Ribbit Network Code of Conduct

By participating in this project, you agree to follow the Ribbit Network Code of Conduct and Anti-Harassement Policy. Violations can be reported anonymously by filling out this form.

Contributors ✨

Thanks goes to these wonderful people (emoji key):

This project follows the all-contributors specification. Contributions of any kind welcome!

Parts

171
QtyValueFootprintReferences
1310u 25Vfootprints:C_0805_2012MetricC16, C17, C18, C21, C22, C33, C34, C36, C37, C38, C39, C59, C60
10100n 16Vfootprints:C_0201_0603MetricC1, C4, C7, C9, C12, C14, C15, C45, C51, C53
7100n 50Vfootprints:C_0402_1005MetricC19, C20, C23, C24, C32, C61, C62
710129380-902001BLFfootprints:PinHeader_1x02_P2.54mm_Vertical_SMD_Pin1LeftJ4, J5, J6, J7, J8, J9, J14
60Rfootprints:R_0402_1005MetricR1, R3, R7, R9, R33, R34
60Rfootprints:R_0201_0603MetricR4, R5, R6, R38, R39, R40
6RCWCTEfootprints:KOA_TEST_POINT_1206TP1, TP2, TP3, TP4, TP5, TP6
510Kfootprints:R_0402_1005MetricR2, R18, R22, R23, R24
44K7footprints:R_0402_1005MetricR10, R11, R12, R13
44u7 10Vfootprints:C_0402_1005MetricC6, C8, C27, C42
4DMN1019UFDE-7footprints:DI_DFN2020-6Q1, Q2, Q3, Q4
310nfootprints:C_0402_1005MetricC13, C41, C47
31nfootprints:C_0201_0603MetricC25, C26, C40
347u 10Vfootprints:C_0805_2012MetricC3, C5, C35
34u7footprints:C_0603_1608MetricC44, C46, C49
3590footprints:R_0402_1005MetricR25, R36, R37
2100p 50Vfootprints:C_0201_0603MetricC10, C11
212pfootprints:C_0201_0603MetricC56, C57
21Kfootprints:R_0402_1005MetricR14, R35
21ufootprints:C_0402_1005MetricC48, C50
21ufootprints:L_Taiyo-Yuden_MD-3030L3, L4
2294Rfootprints:R_0402_1005MetricR16, R17
247n 25Vfootprints:C_0402_1005MetricC29, C30
25k1footprints:R_0402_1005MetricR31, R32
2FTSH-105-01-L-DV-Kfootprints:SAM_MICRO-IDC_FTSH-105-01-L-DV-K_SMDJ12, J15
2KEYSTONE_254footprints:KEYSTONE_254J1, J2
2PTS636SM50JSMTR LFSfootprints:SW_Tactile_SPST_NO_Straight_CK_ PTS636SM50JSMTR LFSSW1, SW2
1100footprints:R_0402_1005MetricR19
1100kfootprints:R_0402_1005MetricR45
1100n 16Vfootprints:C_0402_1005MetricC43
1100pfootprints:C_0201_0603MetricC55
110kfootprints:R_0402_1005MetricR30
110ufootprints:L_0603_1608MetricL7
110u 10Vfootprints:C_0805_2012MetricC28
1120R / 2Afootprints:L_0402_1005MetricL1
115nfootprints:L_0402_1005MetricL6
11Mfootprints:R_0402_1005MetricR8
11n 50Vfootprints:C_0402_1005MetricC31
11pfootprints:C_0201_0603MetricC54
11p2footprints:C_0201_0603MetricC58
11u 10Vfootprints:C_0402_1005MetricC2
120footprints:R_0402_1005MetricR41
1215kfootprints:R_0402_1005MetricR26
12kfootprints:R_0402_1005MetricR44
12n2footprints:L_0201_0603MetricL9
13.5mm/1.1mmfootprints:TENSILITY_54-00125J3
1300footprints:R_0402_1005MetricR42
130k1footprints:R_0402_1005MetricR28
132Mfootprints:XTAL_MP06003_SMD_2016-4Pin_2.0x1.6mmXTAL1
13Kfootprints:R_0402_1005MetricR15
13mfootprints:R_0805_2012MetricR43
147nfootprints:C_0201_0603MetricC52
14n7footprints:L_0201_0603MetricL8
150R / 3.5Afootprints:L_1206_3216MetricL5
1511kfootprints:R_0402_1005MetricR20
159kfootprints:R_0402_1005MetricR27
15k23footprints:R_0402_1005MetricR29
191kfootprints:R_0402_1005MetricR21
19n1footprints:L_0402_1005MetricL2
1BM04B-SRSS-TBfootprints:JST_SH_BM04B-SRSS-TBJ10
1BQ25798footprints:TI_VQFN-HR-29U5
1BQ298000footprints:TI_X2QFN-8U11
1CONMHF1-SMD-G-Tfootprints:TE_CONN_MHF1_SMDJ11
1EFC3J018NUZTDGfootprints:ON_6-WLCSP_1.77x3.05Q6
1EMIF03-SIM02M8footprints:ST_UFDFN-8U3
1EXC-34CE121Ufootprints:PANASONIC_EXCX4CEU8
1Green LEDfootprints:LED_0402_1005MetricD1
1LOGOfootprints:RIBBIT_LOGOG***
1MX25V8035FZUIfootprints:MX_8USONU4
1NRF52833-QDAA-B-R7footprints:QFN-40-1EP_5x5mm_P0.4mm_EP3.6x3.6mmU10
1PACK_RESETfootprints:TestPoint_Pad_1.0x1.0mmTP7
1Red LEDfootprints:LED_0402_1005MetricD2
1S2B-PH-SM4-TBfootprints:JST_PH_S2B-PH-SM4-TB_1x02-1MP_P2.00mm_HorizontalJ16
1SF72S006VBDR2500footprints:JAE_SF72S006VBDR2500J13
1SKY65943-11footprints:SKY_MCM-10U2
1SSM3J355R,LFfootprints:SOT-23Q5
1TPS22995RZFRfootprints:TI_WQFN-6U7
1TPS631010YBGRfootprints:TI_DSBGA-8U6
1TestPoint_Smallfootprints:TestPoint_Pad_1.0x1.0mmTP8
1USB4105-GF-Afootprints:GCT_USB4105-XXCN1

The 162 most common of 171 parts.

Questions

How big is the Solar ribbit PCB?

It measures 84 × 50 mm and has 6 copper layers, 1.61 mm thick.

What parts does the Solar ribbit use?

171 parts, built around the NRF52833-QDAA-B-R7, SKY65943-11, MX25V8035FZUI and TPS631010YBGR. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Solar ribbit KiCad files?

From the Ribbit-Network/ribbit-network-frog-hardware repository on GitHub, at the commit this page was made from: the board is solar/power-hop-hardware-main/solar-ribbit.kicad_pcb and its schematic solar/power-hop-hardware-main/battery-protection.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Solar ribbit design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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