Pura mainboard noroute
About the Pura mainboard noroute PCB
Pura mainboard noroute is an open source PCB design by rvbcrs, published on GitHub. It is a 2-layer board measuring 50 × 50 mm, with 18 components from 16 distinct parts.
Other key parts include the CH224K, LM2596SX-5.0/NOPB, ADS1115IDGSR, TB6612FNG and B0505S-1WR3. By type, the board carries 6 ICs, 4 resistors, 2 LEDs, 2 capacitors, 1 diode and 1 inductor.
It belongs with the iot & wireless and audio designs in this gallery.
From the project
GPIO6 en GPIO7 zijn vrije ADC1‑pinnen (geen WiFi‑conflict). De overige ADC1‑pinnen zijn in gebruik door QSPI‑display (21/39/40/45/47/48), touch I2C (4/8), motoren (9/14–18) en I2S‑speaker (2/41/42).
GPIO6 en GPIO7 zijn vrije ADC1‑pinnen (geen WiFi‑conflict). De overige ADC1‑pinnen zijn in gebruik door QSPI‑display (21/39/40/45/47/48), touch I2C (4/8), motoren (9/14–18) en I2S‑speaker (2/41/42).
Testen zonder probe: Verbind de BNC center pin met de BNC outer ring via een 10 kΩ weerstand → simuleert 0 mV (pH 7 / 0 mV ORP) → de display toont ~pH 7.0 en ~0 mV.
Main components on the Pura mainboard noroute
Pura mainboard noroute bill of materials (BOM)
18 components, 16 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | CH224K WCH | CH224K | U1 |
| 1 | LM2596SX-5.0/NOPB LM2596S_5_0_UMW_ Texas Instruments | LM2596S_5_0_UMW | U2 |
| 1 | ADS1115IDGSR ADS1115IDGST Texas Instruments | ADS1115IDGST | U3 |
| 1 | TB6612FNG TB6612FNG_C_8_EL Toshiba | TB6612FNG_C_8_EL | U4 |
| 1 | B0505S-1WR3 B0505S_1WR3 MORNSUN | B0505S_1WR3 | U5 |
| 1 | ADUM1250ARZ ADUM1250ARZ_RL7 Analog Devices | ADUM1250ARZ_RL7 | U6 |
| 1 | J_12V | pin_header_pinrow2_nopinlabels | 12V |
| 1 | J_M1 | pin_header_pinrow2_nopinlabels | MOTOR 1 |
| 1 | 150080GS75000 LED Wurth | led_0402_color(green) | LED1 |
| 1 | 150080BS75000 LED Wurth | led_0402_color(cyan) | LED2 |
| 1 | SS34-E3/57T D Vishay | SS34 | D1 |
| 1 | DJNR6045-330 33H FerroCore | inductor_1210 | L1 |
| 2 | 100nF | capacitor_0402 | C_ISO1, C_ISO2 |
| 2 | 5.1kΩ | resistor_res0402 | R_CC1, R_CC2 |
| 1 | 0Ω | resistor_res0402 | R_CFG2 |
| 1 | 2.2kΩ | resistor_res0402 | R_LED2 |
Pura mainboard noroute design files
The KiCad project lives in the rvbcrs/PoolLab repository on GitHub; these links point at the commit this page was built from.
Pura mainboard noroute: common questions
How big is the Pura mainboard noroute PCB?
The Pura mainboard noroute measures 50 × 50 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Pura mainboard noroute?
18 components, from 16 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Pura mainboard noroute design files?
From the rvbcrs/PoolLab repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Pura mainboard noroute design in my own project?
The repository has no license, so all rights stay with rvbcrs. Use it as a reference, and ask the author before reusing the design.
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