4 layers130 × 74.7 mm
Stima V4 Slave R1 1
r-map/rmap
rete monitoraggio ambientale partecipativo documentation at https://doc.rmap.cc
289 parts55
2 layers25.4 × 29.2 mm
Microduino
r-map/rmap55rete monitoraggio ambientale partecipativo documentation at https://doc.rmap.cc
- Size
- 25.4 × 29.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 16
- Nets
- 13
- Pads
- 84
- Tracks, vias
- 131, 8
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 23 Jul 2015
- Updated
- 2 Nov 2026
Overview
Microduino is an open-source printed circuit board by r-map, from the r-map/rmap repository on GitHub. It is a 2-layer board of 25.4 × 29.2 mm with 16 parts on 13 nets, routed with 131 tracks and 8 vias.
It is built around the TMP275AID, ESDA6V1-5SC6 and REG113NA-3.3/250. Its parts include 7 connectors, 4 ICs, 3 capacitors, 1 resistor and 1 diode. It belongs with the sensors and measurement boards of this library.
Main components
3
TMP275AID
SOIC-8-40℃~+125℃ 100nA 12bit 2.7V~5.5V 220ms I2C、SMBus ±0.5℃ SOIC-8 Temperature Sensors ROHSTexas InstrumentsTemperature Sensors
ESDA6V1-5SC6
SOT-23-6100nA 10A@8/20us 11V、14V 140W@8/20us 5V 60pF 9V ESD IEC 61000-4-2、IEC 61000-4-4 SOT-23-6 ESD and Surge Protection (TVS/ESD) ROHSTECH PUBLICESD And Surge Protection (TVS/ESD)
REG113NA-3.3/250
SOT-23-5-40℃~+85℃@(Ta) 1 10V 28uVrms 3.3V 400mA 410mV@(400mA) 65dB@(120Hz) 850uA Fixed Over Current Protection、Over Temperature Protection Positive SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTexas InstrumentsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
README
README.mdDescription
software to collect weather data contributed by citizens; to make these data available for weather services and homeland security; to provide feedback to the data contributors so that they have the tools to check and improve their data quality
Stima open source hardware datalogger
RMAP server software
Parts
16| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | CONN_01X01 | Measurement_Points:Measurement_Point_Square-SMD-Pad_Small | P6, P7 |
| 1 | 0.01uF | w_smd_cap:c_1206 | C2 |
| 1 | 1uF | w_smd_cap:c_1206 | C1 |
| 1 | 2.2uF | w_smd_cap:c_1206 | C3 |
| 1 | 820 | w_smd_resistors:r_1206 | R2 |
| 1 | CONFIG | w_pin_strip:pin_strip_2 | P4 |
| 1 | CONN_01X02 | w_pin_strip:pin_strip_2 | P1 |
| 1 | CONN_01X05 | w_pin_strip:pin_strip_5 | P3 |
| 1 | CONN_RELE_BOARD | w_pin_strip:pin_strip_6 | P2 |
| 1 | ESDA6V1-5SC6 | w_smd_trans:sot23-6 | U2 |
| 1 | LED_SMD | w_smd_leds:Led_0805 | D1 |
| 1 | Microduino | Rmap:microduino | U1 |
| 1 | REG113NA-3.3/250 | w_smd_trans:sot23-5 | U3 |
| 1 | TMP275 | Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm | U4 |
| 1 | USB_OTG | w_conn_pc:conn_usb_B_micro_smd-2 | P5 |
Questions
How big is the Microduino PCB?
It measures 25.4 × 29.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Microduino use?
16 parts, built around the TMP275AID, ESDA6V1-5SC6 and REG113NA-3.3/250. 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 Microduino KiCad files?
From the r-map/rmap repository on GitHub, at the commit this page was made from: the board is kicad/stima_v2/microduino/microduino.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Microduino design in my own project?
Its repository states no licence, so its author keeps all rights: ask r-map before reusing the design.
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