DIY Electronics

Sensors, development boards, relay modules, and electronic components for your DIY smart home and IoT projects. Everything you need to build custom automations with Arduino, ESP8266, ESP32, Raspberry Pi, ESPHome, Tasmota, and Home Assistant.

From water flow sensors and ultrasonic distance modules to D1 Mini and NodeMCU dev boards, relay modules, TDS water quality probes, and HX711 load cell amplifiers — we stock the building blocks for smart water meters, tank level monitors, irrigation controllers, custom sensor nodes, and more.

All components ship from Gauteng with free delivery on orders over R2,500. Need help wiring it up? Call us — we love DIY projects.

YF-B9 Water Flow Sensor (¾" BSP, 2–50 L/min)
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YF-B9 Water Flow Sensor (¾" BSP, 2–50 L/min)
R 299.00
YF-DN40 Water Flow Sensor (1½" BSP, 5–150 L/min)
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YF-DN40 Water Flow Sensor (1½" BSP, 5–150 L/min)
R 499.00
HC-SR04 Ultrasonic Distance Sensor — 2cm–400cm Range (5V, Arduino / ESP8266 / Home Assistant)
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HC-SR04 Ultrasonic Distance Sensor — 2cm–400cm Range (5V, Arduino / ESP8266 / Home Assistant)
R 34.00
TDS Sensor SEN0244 — Water Quality (Total Dissolved Solids)
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TDS Sensor SEN0244 — Water Quality (Total Dissolved Solids)
R 350.00
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