Nov 9, 2025 · After placing an order for two of their boards (WEMOS D1 R2), I received the package MANY weeks later. The package contained two copies of these boards (just unbranded clones), not …

Home ›DIY Circular Lamp Suite 12PCS Blue LED Perfect Electronic Production DIY Kit DIY Circular Lamp Suite 12PCS Blue LED Perfect Electronic Production DIY Kit SKU:030162 $4.99 Function:

Jun 26, 2021 · Since the voltage at both ends of the capacitor can not be changed, the base of V2 is pulled to approximately 0V and V2 is off, and the collector of V2 is high, so the light emitting diode L5 …

Dec 14, 2025 · 1 x Blue DIY Kit Circular Lamp Suite 12PCS LED Electronic Production. It is DIY kit. User need to weld it.

Aug 8, 2025 · Circular Electronic LED Flash Circuit Light DIY Kit 12Pcs Production Blue $1.73 + $4.85 shipping

Dec 5, 2025 · Circular Lamp Suite 12PCS LED Blue DIY Kit Perfect Electronic Production DIY $2.05 + $5.39 shipping

Apr 10, 2024 · Product Description DIY Blue 12PCS LED Circular Lamp Suite Light Kit Fun Electronic Parts

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Nov 14, 2025 · From microcontrollers (Arduino, ESP32) and sensors to wireless communication modules and power management ICs, we stock a curated range of high-quality, tested products for …

Apr 9, 2021 · the new blue LED operating voltage and polarity recognition is different from the traditional LED (with the circuit board gap in the opposite direction), please test and then installed.