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adding 8 channel solenoid driver demos

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Liz 2025-04-15 15:15:32 -04:00
parent ef00664e14
commit 8140f4286e
2 changed files with 85 additions and 0 deletions
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47
8_Channel_Solenoid_Driver/Arduino_Solenoid_Driver/Arduino_Solenoid_Driver.ino Normal file
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// SPDX-FileCopyrightText: 2025 Liz Clark for Adafruit Industries
//
// SPDX-License-Identifier: MIT
#include <Adafruit_MCP23X17.h>
#define NOID_1 0 // MCP23XXX pin LED is attached to
#define NOID_2 4 // MCP23XXX pin LED is attached to
Adafruit_MCP23X17 mcp;
void setup() {
Serial.begin(115200);
while (!Serial);
Serial.println("8 Channel Solenoid Driver Demo");
if (!mcp.begin_I2C()) {
Serial.println("Couldn't find MCP23017..");
while (1);
}
mcp.pinMode(NOID_1, OUTPUT);
mcp.pinMode(NOID_2, OUTPUT);
Serial.println("Found MCP23017, looping...");
}
void loop() {
Serial.println("Solenoid 1!");
mcp.digitalWrite(NOID_1, HIGH);
delay(500);
mcp.digitalWrite(NOID_1, LOW);
delay(500);
Serial.println("Solenoid 2!");
mcp.digitalWrite(NOID_2, HIGH);
delay(500);
mcp.digitalWrite(NOID_2, LOW);
delay(500);
Serial.println("Together!");
mcp.digitalWrite(NOID_1, HIGH);
mcp.digitalWrite(NOID_2, HIGH);
delay(1000);
mcp.digitalWrite(NOID_1, LOW);
mcp.digitalWrite(NOID_2, LOW);
delay(2000);
Serial.println("Repeat!");
Serial.println();
delay(500);
}

38
8_Channel_Solenoid_Driver/CircuitPython/code.py Normal file
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# SPDX-FileCopyrightText: 2025 Liz Clark for Adafruit Industries
#
# SPDX-License-Identifier: MIT
import time
import board
from adafruit_mcp230xx.mcp23017 import MCP23017
i2c = board.STEMMA_I2C()
mcp = MCP23017(i2c)
noid_1 = mcp.get_pin(0)
noid_2 = mcp.get_pin(4)
noid_1.switch_to_output(value=False)
noid_2.switch_to_output(value=False)
while True:
noid_1.value = True
print(f"Solenoid 1: {noid_1.value}, Solenoid 2: {noid_2.value}")
time.sleep(0.2)
noid_1.value = False
print(f"Solenoid 1: {noid_1.value}, Solenoid 2: {noid_2.value}")
time.sleep(0.2)
noid_2.value = True
print(f"Solenoid 1: {noid_1.value}, Solenoid 2: {noid_2.value}")
time.sleep(0.2)
noid_2.value = False
print(f"Solenoid 1: {noid_1.value}, Solenoid 2: {noid_2.value}")
time.sleep(1)
noid_1.value = True
noid_2.value = True
print(f"Solenoid 1: {noid_1.value}, Solenoid 2: {noid_2.value}")
time.sleep(1)
noid_1.value = False
noid_2.value = False
print(f"Solenoid 1: {noid_1.value}, Solenoid 2: {noid_2.value}")
time.sleep(2)