2 layers165.1 × 110 mm
2 layers165.1 × 110 mm
RDL revE4
jericholab/rdl8Resistance Data Logger
- Size
- 165.1 × 110 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 120
- Nets
- 125
- Pads
- 454
- Tracks, vias
- 1,255, 248
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 14 Feb 2022
- Updated
- 28 May 2026
Overview
RDL revE4 is an open-source printed circuit board by jericholab, from the jericholab/rdl repository on GitHub, published under the GPL-2.0 licence. It is a 2-layer board of 165.1 × 110 mm with 120 parts on 125 nets, routed with 1,255 tracks and 248 vias.
It is built around the PCF8574T, ADS1115IDGS and TPS630701RNMR, with the CD74HC4051E, LTC4311CSC6#TRPBF and AO3400 among its other parts. Its parts include 27 capacitors, 21 resistors, 18 transistors, 9 ICs and 9 connectors. It belongs with the sensors and measurement boards of this library.
Main components
9
PCF8574T
SOP-16-300mil-40℃~+85℃ 100kHz 10uA 2.5V~6V 25mA 300uA 8 8 Cascading and address extension、Built-in LED driver I2C Interrupt Output Open-drain SOP-16-300mil I/O Expanders ROHSHGSEMII/O Expanders
ADS1115IDGS
MSOP10Ultra-Small, Low-Power, 4 Channels 16-Bit Analog-to-Digital Converter with Internal ReferenceTexas InstrumentsUncategorised
TPS630701RNMR
VQFN-15-HR(2.5x3)-40℃~+125℃@(TJ) 1 2.4MHz 2A 2V~16V 50uA 5V Buck-Boost Buck-Boost Built-in Fixed Yes VQFN-15-HR(2.5x3) DC-DC Converters ROHSTexas InstrumentsDC-DC Converters
CD74HC4051E
PDIP-16-55℃~+125℃ 1 2V~6V 45ns 45ns 4ns 70Ω 8:1 PDIP-16 Analog Switches, Multiplexers ROHSTexas InstrumentsAnalog Switches, Multiplexers
LTC4311CSC6#TRPBF
SC-70-60℃~+70℃ 1.6V~5.5V 2 2-Wire Bus 2-Wire Bus Accelerator SC-70-6 Signal Buffers, Repeaters, Splitters ROHSAnalog DevicesSignal Buffers, Repeaters, Splitters
AO3400
SOT-23-55℃~+150℃ 1 N-channel 1.05nF 1.4V 1.5W 28mΩ@10V 30V 5.8A 77pF N-Channel SOT-23 MOSFETs ROHSGOODWORKMOSFETsAO3401A
SOT-231 P-Channel 14nC@10V 30V 47mΩ@10V、60mΩ@4.5V、85mΩ@2.5V 4A 55pF 645pF 80pF 900mV SOT-23 MOSFETs ROHSAlpha & Omega SemiconductorMOSFETsBSS138
SOT-23-55℃~+150℃ 1 N-channel 1.1Ω@10V、1.2Ω@4.5V 1.2V 1.7nC@10V 17.5pF 340mA 350mW 50V 6.5pF N-Channel SOT-23 MOSFETs ROHShongjiachengMOSFETs
BS-7
SMD-55℃~+105℃ SMD Button And Strip Battery Connector ROHSMPDButton And Strip Battery Connector
README
README.mdResistance Data Logger (RDL) by Jericho Lab
The RDL is an open-source suite of ready-to-use data logger and sensors designed for scientists and engineers.
The RDL is an open-source ready-to-use data logger designed for scientists and engineers.
For bugs and suggestions, users are invited to submit issues via Github.
Visit the official website: https://jericholab.com
Purchase orders
Contact us via email or Linkedin.
Licenses
SOFTWARE: GPL 3.0 license
HARDWARE: MIT license
WEBSITE & DOCUMENTS: Creative Commons CC-BY-NC-SA (Non-commercial use only)
For more information about the user permissions and responsibilities associated with each license, please refer to our website or contact us via email at info@jericholab.com. Thank you!
RDL Data Logger revE4 with two I2C Shields
NAU7802 RevB1 for strain, force and current measurements
RDL I2C Shield, revA4
SHT4X revA4 for temperature and air humidity measurements
Carrier board for EZO PH (Atlas Scientific), revA1
NTC Thermistor probes TH-1 and TH-2 for temperature measurements
Python controlled Reolink RLC-520A Surveillance camera
Outdoor radiographic camera based on Seek Thermal Mosaic Core
Parts
120| Qty | Value | Footprint | References |
|---|---|---|---|
| 18 | MountingHole_3.5mm | MountingHole:MountingHole_3.5mm | H6, H7, H51, REF3, REF4, REF5, REF6, REF7, REF10, REF11, REF13, REF14, REF15, REF16, REF17, REF18 +2 |
| 12 | 10uF | Capacitor_SMD:C_0805_2012Metric | C1, C3, C5, C6, C11, C13, C15, C18, C19, C20, C22, C23 |
| 10 | 0.1uF | Capacitor_SMD:C_0805_2012Metric | C2, C4, C7, C8, C12, C14, C16, C17, C21, C26 |
| 8 | AO3400 | digikey-footprints:SOT-23-3 | Q2, Q4, Q6, Q8, Q10, Q12, Q14, Q15 |
| 8 | AO3401A | digikey-footprints:SOT-23-3 | Q1, Q3, Q5, Q7, Q9, Q11, Q13, Q16 |
| 6 | 10K | Resistor_SMD:R_0805_2012Metric | R6, R11, R12, R14, R17, R18 |
| 6 | 20k | Resistor_SMD:R_0805_2012Metric | R13, R15, R16, R19, R20, R21 |
| 5 | Jumper_2_Bridged | Jumper:SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | JP3, JP4, JP5, JP7, JP8 |
| 4 | 10k | Resistor_SMD:R_1206_3216Metric | R1, R2, R9, R10 |
| 3 | 10K | Resistor_SMD:R_1206_3216Metric | R3, R4, R8 |
| 3 | 22uF | Capacitor_SMD:C_0805_2012Metric | C24, C25, C27 |
| 3 | CD74HC4051M96 | custom_KiCAD_footprints:SOP-16_3.9x9.9mm_P1.27mm-Edited | U2, U4, U6 |
| 2 | BSS138 | digikey-footprints:SOT-23-3 | Q17, Q18 |
| 2 | Conn_02x15_Top_Bottom | custom_KiCAD_footprints:PinHeader_2x15_P2.54mm_Vertical_Jericho | J4, J6 |
| 2 | FerriteBead | digikey-footprints:0603 | FB1, FB2 |
| 2 | Jumper_2_Bridged | custom_KiCAD_footprints:SolderJumper-2_P1.3mm_Bridged_Pad1.0x1.5mm-Edited | JP1, JP2 |
| 2 | LOGO | custom_KiCAD_footprints:jericho-logo-kicad | G222, G222 |
| 2 | PCF8574T | PCF8574T:SOIC127P1032X265-16N_FRED_MODIFIED | U7, U9 |
| 2 | RED | Diode_SMD:D_0603_1608Metric | D1, D2 |
| 2 | Screw_Terminal_01x12 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_PT-1,5-12-5.0-H_1x12_P5.00mm_Horizontal | J8, J9 |
| 1 | 1 uF | Capacitor_SMD:C_1206_3216Metric | C9 |
| 1 | 1.5uH | SnapEDA_XLF4020-152MEC:IND_XFL4020-152MEC | L1 |
| 1 | 10 uF | Capacitor_SMD:C_1206_3216Metric | C10 |
| 1 | 10k | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R5 |
| 1 | 3V | custom_KiCAD_footprints:BatteryHolder_Keystone_3000_1x12mm-Edited | BAT1 |
| 1 | 4 x 10K | Resistor_SMD:R_Array_Convex_4x0603 | RN1 |
| 1 | 47K | Resistor_SMD:R_0805_2012Metric | R7 |
| 1 | 8P8C_LED_Shielded | Connector_RJ:RJ45_Amphenol_RJHSE538X | J7 |
| 1 | ADS1115IDGS | Package_SO:TSSOP-10_3x3mm_P0.5mm | U5 |
| 1 | DS3231SN_T_R | SnapEDA_DS3231SN_TR:SOIC127P1032X265-16N | U1 |
| 1 | Jumper_2_Bridged | Jumper:SolderJumper-2_P1.3mm_Bridged_Pad1.0x1.5mm | JP6 |
| 1 | LOGO | custom_KiCAD_footprints:Do not throw to garbage logo WEEE2 | G111 |
| 1 | LTC4311CSC6#TRPBF | LTC4311CSC6_TRPBF:SC70-SC6 | U3 |
| 1 | Screw_Terminal_01x04 | digikey-footprints:Term_Block_1x4_P5mm | J3 |
| 1 | Screw_Terminal_01x08 | digikey-footprints:Term_Block_1x8_P5mm | J1 |
| 1 | TPS630701RNMR | SnapEDA_TPS63070RNMR:VREG_TPS63070RNMR | U8 |
| 1 | ~ | digikey-footprints:Term_Block_1x8_P5mm | J2 |
| 1 | ~ | digikey-footprints:Term_Block_1x4_P5mm | J5 |
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Questions
How big is the RDL revE4 PCB?
It measures 165.1 × 110 mm and has 2 copper layers, 1.6 mm thick.
What parts does the RDL revE4 use?
120 parts, built around the PCF8574T, ADS1115IDGS, TPS630701RNMR and CD74HC4051E. 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 RDL revE4 KiCad files?
From the jericholab/rdl repository on GitHub, at the commit this page was made from: the board is PCB Design/RDL_RevE4/RDL_revE4.kicad_pcb and its schematic PCB Design/I2C-Shield-revA4/WIRED-I2C-Shield-revA4.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the RDL revE4 design in my own project?
Its repository publishes it under the GPL-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).