4 layers88.1 × 59.4 mm
Chromapi motherboard v1
Mowibox/chromapi_motherboard
Raspberry Pi control HAT dedicated to the quadruped robot Chromapi.
139 parts2Apache-2.0
2 layers100 × 49 mm
TeemoWB
TBAMax/WidebandLambda8LSU4.9 conrtoller hardware based on Arduino Nano and Bosch CJ125 chip. Has standard 18x2 character LCD display. Can be used as standalone lambda monitor or as lambda controller for Speeduino.
- Size
- 100 × 49 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 54
- Nets
- 53
- Pads
- 178
- Tracks, vias
- 516, 36
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 5 (file 20200119)
- Created
- 8 Aug 2020
- Updated
- 8 Aug 2020
Overview
TeemoWB is an open-source printed circuit board by TBAMax, from the TBAMax/WidebandLambda repository on GitHub. It is a 2-layer board of 100 × 49 mm with 54 parts on 53 nets, routed with 516 tracks and 36 vias.
It is built around the AO4468. Its parts include 23 resistors, 10 capacitors, 5 diodes, 5 connectors and 1 IC. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
1README
README.mdWidebandLambda
LSU4.9 conrtoller hardware based on Arduino Nano and Bosch CJ125 chip. Has standard 18x2 character LCD display. Can be used as standalone lambda monitor or as lambda controller for Speeduino. Originally designed to be used with Speeduino.
Parts
54| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 10k | Resistor_SMD:R_1206_3216Metric | R5, R9, R10, R16, R18, R21 |
| 5 | 100n | Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder | C3, C4, C5, C7, C10 |
| 3 | 220 | Resistor_SMD:R_1206_3216Metric | R11, R12, R13 |
| 3 | Fiducial_1mm_Dia_2.54mm_Outer_CopperTop | Fiducial:Fiducial_1mm_Dia_2.54mm_Outer_CopperTop | FID1, FID2, FID3 |
| 2 | 100k | Resistor_SMD:R_1206_3216Metric | R2, R7 |
| 2 | 1N4936 | Diode_THT:D_DO-41_SOD81_P7.62mm_Horizontal | D1, D5 |
| 2 | 2.2k | Resistor_SMD:R_1206_3216Metric | R14, R17 |
| 2 | 30k | Resistor_SMD:R_1206_3216Metric | R15, R20 |
| 2 | 33n | Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder | C8, C9 |
| 2 | LED | LED_THT:LED_D5.0mm | D3, D4 |
| 1 | 10 | Resistor_SMD:R_1206_3216Metric | R23 |
| 1 | 1000uF 35V | w_capacitors:CP_12.5x25mm_hor | C1 |
| 1 | 1n | Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder | C6 |
| 1 | 2.2n | Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder | C2 |
| 1 | 20V Zener | Diode_THT:D_DO-41_SOD81_P7.62mm_Horizontal | D2 |
| 1 | 22k | Resistor_SMD:R_1206_3216Metric | R3 |
| 1 | 301 | Resistor_SMD:R_1206_3216Metric | R1 |
| 1 | 39k | Resistor_SMD:R_1206_3216Metric | R19 |
| 1 | 470k | Resistor_SMD:R_1206_3216Metric | R22 |
| 1 | 4k7 | Resistor_SMD:R_1206_3216Metric | R4 |
| 1 | 6.8k | Resistor_SMD:R_1206_3216Metric | R8 |
| 1 | 61.9 | Resistor_SMD:R_1206_3216Metric | R6 |
| 1 | AO4468 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | Q1 |
| 1 | Arduino_Nano_v3.x | Module:Arduino_Nano | A1 |
| 1 | CJ125 | Package_SO:SOIC-24W_7.5x15.4mm_P1.27mm | U1 |
| 1 | DISPLAY_HD44780 | Teemo_display:lcd_16x2_for_TBMAX_charger | D_LCD1 |
| 1 | LOGO | w_logo:Logo_silk_OSHW_6x6mm | G*** |
| 1 | LSU4.9 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-6-5.08_1x06_P5.08mm_Horizontal | J2 |
| 1 | NarrowB out | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J4 |
| 1 | Power | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J1 |
| 1 | SW_Push | Button_Switch_THT:SW_PUSH_6mm_H7.3mm | SW1 |
| 1 | UART | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-3-5.08_1x03_P5.08mm_Horizontal | J5 |
| 1 | Wideband out | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J3 |
The 52 most common of 54 parts.
Questions
How big is the TeemoWB PCB?
It measures 100 × 49 mm and has 2 copper layers, 1.6 mm thick.
What parts does the TeemoWB use?
54 parts, built around the AO4468. 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 TeemoWB KiCad files?
From the TBAMax/WidebandLambda repository on GitHub, at the commit this page was made from: the board is KiCad_drawings/TeemoWB1.1/TeemoWB.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the TeemoWB design in my own project?
Its repository states no licence, so its author keeps all rights: ask TBAMax before reusing the design.
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