The IR Blaster is a simple IR sender module with an onbloard ESP8266 microcontroller board. You can controll RGB LED stripes or a TV with the IR Blaster and a smartphone or tablet.

Firmware Wemos D1 Mini
tasmota-sensors.bin (see https://github.com/arendst/Tasmota/releases/)

BOM
1 PCB (IR Blaster Maxi Wemos, Rev.A)
2 Headers 1x8pin (for Wemos D1 Mini)
7 Transistor BC846 SMD (T1 - T7)
7 Resistor SMD 1206 100 R (R4, R5, R6, R10, R11, R12, R13)
7 Resistor SMD 1206 1k (R1, R2, R3, R7, R8, R9, R14)
7 IR LED TSUS 5400 TEL 950nm (LED1 - LED7)

Case 3D Print
see https://www.thingiverse.com/thing:2412098