e2002 / KaRC

Remote control of the KaRadio via telnet.

KaRC

Remote control of the KaRadio via telnet.

Dependencies

• AutoConnect Library https://github.com/Hieromon/AutoConnect
• HX1230_FB Library https://github.com/cbm80amiga/HX1230_FB
• OneButton Library https://github.com/mathertel/OneButton

BOM

• HX1230 Display http://chip69.ru/catalog/108689
• Wemos D1 Mini https://aliexpress.ru/item/32651747570.html
• 1x4 buttons 5 pins board https://aliexpress.ru/item/32886402552.html
• TC4056 module https://aliexpress.ru/item/32825983420.html
• BL5C battery https://aliexpress.ru/item/1005002239609662.html
• Screws https://aliexpress.ru/item/1005001870799002.html
• Paper clips brass plated https://www.erichkrause.com/en/catalog/Paper_clips_105/paper_clips_brass_plated_erichkrause_28mm_plastic_box_200_pcs_19739/

Assembly

Wemos

Replace the 220kOhm resistor on the circuit board of the Wemos D1 Mini with a 510kOhm resistor.
Connect pin A0 to pin 5v.

Display

HX1230	Wemos
RST	D3
CS	D8
DIN	D7
CLK	D5
VCC	VCC
BL	D6
GND	GND

Buttons

1x4 Module	Wemos
K1	D4
K2	D2
K3	D1
K4	RST
GND	GND

TC4056 module

Replace the 1.2kOhm resistor on the TC4056 module with a 3kOhm resistor.

TC4056	BL5C/Wemos
B-	Batt-
B+	Batt+
OUT-	GND
OUT+	5V

Initial setup

In progress

Control

	BTN1	BTN2	BTN3	BTN4
Click	Vol-	Play/Pause	Vol+	Reset
DblClick	-	Show IP	-	-
LongPress	Deep Sleep	Play List	Show IP	-

Known issues

Slowly connects to KaRadio when playback is stopped.

Solution: -

Does not turn on when the battery is connected.

Solution: briefly apply power to the module.