ET-S76
MCP3008 8-Channel ADC
8 analog inputs for a Raspberry Pi over SPI
AED 12.00
Out of stockOverview
8 analog inputs for a Raspberry Pi over SPI
The ET-S76 is built around the Microchip MCP3008 — 10-bit SAR, 8 single-ended / 4 pseudo-differential inputs, 200ksps at 5V. It connects over SPI modes 0,0 / 1,1 and is powered from 2.7–5.5V (inputs 0…VREF).
Designed in Dubai by ElectroTrical — the full schematic, BOM and design notes are published below.
Good for
- Analog sensors on a Raspberry Pi
- Potentiometers and joysticks
- Fast multi-channel sampling
Key features
What makes it different
ADC
Microchip MCP3008: 10-bit SAR, 8 single-ended / 4 pseudo-differential inputs, 200ksps at 5V
Interface
SPI modes 0,0 / 1,1
Supply
2.7–5.5V (inputs 0…VREF)
Reference
VREF = VIN by default (JP1), or external on J4
Open documentation
Schematic, BOM and layout notes published for every board.
Breadboard friendly
Standard 2.54 mm pitch and M2.5 mounting holes.
Specifications
Technical specifications
| ADC | Microchip MCP3008: 10-bit SAR, 8 single-ended / 4 pseudo-differential inputs, 200ksps at 5V |
|---|---|
| Interface | SPI modes 0,0 / 1,1 |
| Supply | 2.7–5.5V (inputs 0…VREF) |
| Reference | VREF = VIN by default (JP1), or external on J4 |
| Size | 35.0 × 22.0 mm |
|---|---|
| Mounting | 4 × M2.5 holes, 2.54 mm from each corner |
| Connectors | 6-pin 2.54 mm header |
| Main IC | MCP3008-I/SL (LCSC C1520159) |
| Revision | Rev A |
| Libraries | gpiozero MCP3008 (Raspberry Pi), Adafruit_MCP3008, CircuitPython mcp3xxx, ESPHome mcp3008 |
|---|
| JP1 (default Closed) | VREF = VIN; cut to feed an external reference on J4.10 |
|---|
Performance
Speed
Pinout
Pin map and connections
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VIN | Power | 2.7–5.5V |
| 2 | GND | Ground | Ground |
| 3 | CS | SPI | Chip select, active low |
| 4 | CLK | Signal | SPI clock, ≤3.6MHz at 5V |
| 5 | DIN | SPI | SPI MOSI |
| 6 | DOUT | SPI | SPI MISO |
Mechanical
Dimensions and what's in the box
In the box
- 1 × ET-S76 MCP3008 8-Channel ADC (assembled)
- 1 × 6-pin 2.54 mm male header, unsoldered
Getting started
- Wire the header: VIN, GND, CS, CLK, DIN, DOUT
- Libraries: gpiozero
MCP3008(Raspberry Pi), Adafruit_MCP3008, CircuitPython mcp3xxx, ESPHomemcp3008
Compare
Which ADC?
| MCP3008 8-Channel ADC (this board)This board | ET-S08 ADS1115 16-bit 4-Channel ADC | |
|---|---|---|
| What it does | 8 analog inputs for a Raspberry Pi over SPI | Four 16-bit analog inputs with programmable gain |
| Interface | SPI modes 0,0 / 1,1 | I²C 0x48 default / 0x49 / 0x4A / 0x4B (JP3) |
| Best for | Analog sensors on a Raspberry Pi | Reading analog sensors precisely |
| Price | 12 AED | 49 AED |
Downloads
Documents and design files
Need a custom version of this board?
Different connector, size or sensor? We design and build custom variants.