Flame Sensor Brick



Pictured with the KY-026 kit module plugged in.
Kit Bricks · SKU TP-K21
IR flame detector (760-1100 nm).
₹299
Works with TinkerPie V1 · Arduino C++ with the TinkerPieBricks library · Delivery across India: ₹100, 3–7 days · 7-day replacement for damaged or defective kits
About this kit
IR flame detector (760-1100 nm). The Flame Sensor Brick is a carrier for the KY-026 module from common 37-in-1 sensor kits: plug the module into the socket and connect one cable to a TinkerPie SENSOR port. A small CH32V003 processor on the brick does the timing work, so your program simply reads the result over I2C.
Features
- Flame alarm output with sensitivity pot
- Analog flame strength
- Fire-fighting robot challenges
- Plug the kit module straight into the socket – no jumper wires
- One cable to any TinkerPie SENSOR port (I2C), BUS IN + BUS OUT to chain more bricks
- On-board CH32V003 does the timing – your code just reads the result
Specifications
| Kit module | KY-026 Flame Sensor (module 21 of the 37-in-1 sensor kit) |
|---|---|
| Socket | KIT ANALOG: 2.54 mm female, AO G + DO |
| Size | 48 x 32 mm, M3 holes on the 8 mm grid |
| Connectors | 2 x JST-PH 4-pin TP-BUS (IN / OUT) |
| Interface | I2C 0x14-0x17 (4 on one bus) |
| Power | 3.3 V from the SENSOR port |
| Brain | WCH CH32V003 |
| Arduino class | tpb::KitAnalog |
Safety: Test with a candle or lighter only when an adult is present.
How to use it with TinkerPie
- Plug the KY-026 module into the 2.54 mm socket on the top edge. Match the pin names: the brick says AO G + DO, the module has the same letters.
- Connect BUS IN to any TinkerPie SENSOR 1-4 port with a 4-pin JST-PH cable (the same cable as the other sensors).
- More bricks? Plug the next one into BUS OUT. Two bricks of the same type need different addresses: bridge ADDR +1, +2 or +4 on the back (0x14-0x17; the first is 0x14).
- Install the TinkerPie and TinkerPieBricks Arduino libraries, open the quick-start sketch below, choose the board ESP32S3 Dev Module and upload.
Libraries: TinkerPie and TinkerPieBricks (Arduino IDE: Sketch → Include Library → Add .ZIP Library). Full guide: getting started with TinkerPie Bricks.
Quick start
Upload this, open the Serial Monitor at 115200 baud and watch the TinkerPie matrix.
Quick-start sketch (Arduino C++)
// Flame Sensor Brick (TP-K21): quick start
// Reads the brick and shows the value on the TinkerPie matrix and in the Serial Monitor (115200 baud).
#include <TinkerPie.h>
#include <TinkerPieBricks.h>
using namespace tinkerpie;
tpb::KitAnalog a;
void setup() {
Serial.begin(115200);
tinkerpie::begin(); // also starts the SENSOR ports (I2C bus Wire1)
if (!a.begin()) Serial.println("Flame Sensor Brick not found at 0x14: check the cable to SENSOR 1-4");
}
void loop() {
uint16_t v = a.analog(); // AO: 0-1023
bool hit = a.digital(); // DO: above the level set with the blue knob
Serial.printf("AO %u DO %d\n", v, hit);
led::plotBarGraph(v, 1023, hit ? Colors::Red : Colors::Green);
basic::pause(100);
}
Project: Fire alarm
The flame sensor sees the infrared light of a flame. A candle or lighter in front of it starts a loud alarm. Only test with an adult present.
Fire alarm (Arduino C++)
// Fire alarm: Flame Sensor Brick (TP-K21)
// The flame sensor sees the infrared light of a flame. A candle or lighter in front of it starts a loud alarm. Only test with an adult present.
#include <TinkerPie.h>
#include <TinkerPieBricks.h>
using namespace tinkerpie;
tpb::KitAnalog flame;
void setup() {
Serial.begin(115200);
tinkerpie::begin(); // also starts the SENSOR ports (I2C bus Wire1)
if (!flame.begin()) Serial.println("Flame Sensor Brick not found at 0x14: check the cable to SENSOR 1-4");
}
void loop() {
bool fire = flame.digital(); // DO: flame seen (set the distance with the blue knob)
if (fire) { led::fill(Colors::Red); music::playTone(2200, 200); led::fill(Colors::Orange); music::playTone(1600, 200); }
else basic::clearScreen();
basic::pause(20);
}
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