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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
SIDKick pico (SID 6581/8580-replacement for C64/C128)
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SlimeVR Hyperion BMI160 PCB
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Filament Maker from PET Bottle
Solar Powered WiFi Weather Station V4.0
PICOZX (MotherBoard) LCD&VGA Emulated Spectrum 128k
Frog Boy Color
espthings.io - ET-P1101 ESPHome Panasonic Climate Interface
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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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With USB OTG2.0FS and SDIO interface, higher frequency, comparable to F1 price, it is a better choice to learn STM32,This development board contains a ch340G TTL chip, which can directly communicate w...
STM32F401RB RET6 development board
2302
0
1
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
545
40
1. Reasonable wiring, minimize vias 2. Use 49S packaged crystal oscillator for hand welding, with SWD interface, support USB OTG, toggle switch to adjust BOOT 3. Onboard CR927 button battery for RTC p...
STM32F401CCU6 core board
5152
0
4
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
545
40
Main chip: Welding EP4CE6E22 or EP4CE10E22 can be downloaded: Download PIC18F14K50 MCU chip as USB-Blaster on board: Serial port: CH340E USB-UART FPGA firmware memory on board: Solder EPCS4SI8N (512kB...
FPGA Universal Board Altera EP4CE10
1901
1
5
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
545
40
2.4A synchronous boost conversion, 2.1A synchronous switch chargingBoost efficiency up to 92%Charging efficiency up to 91%Built-in power path management, support charging and dischargingAdaptive charg...
Based on IP5306 3.7V boost 5V charging
8951
0
3
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
545
40
The STM32F411 / 401 microcontroller belongs to the STM32 Dynamic Efficiency series. These devices are entry-level products of the high-performance F4 series, with a main frequency of up to 100 / 84MHz...
STM32F411Cx 401Cx minimum system + J-LINK debugger
2758
1
6
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
545
40
IntroductionA small passive DC adjustable constant current (CC) electronic load with temperature-controlled fan to test the constant voltage DC power supply.Features and parameters:Passive designInput...
Small passive DC constant current electronic load
2791
0
7
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
545
40
Input voltage: 20V (change the ratio of R4 and R5 can change the input voltage) Charging current: 40A Charging voltage: 3s lithium battery 12.6V (change the ratio of R3 and R2 can change the charging ...
Solar MPPT
3740
2
7
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
545
40
Module use: use single lithium power supply, automatic buck-boost IC: RT6150BGQW, stable output 3V3, also configured IP5305 mobile power IC to charge lithium battery, plus lithium battery protection I...
[DCDC] Single lithium automatic buck-boost 3V3 output + charging + protection mode
1315
0
1
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
545
40
SY8205FCC 5V5A 7-30VWell ventilated 3A long-termGood heat dissipation 5A full loadThe power supply of the steering gear can be directly connected to the steering gear, and can be used as a power modul...
SY8205FCC 5A 7-30V
1642
0
0
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
545
40
Charging and balancing of two or more strings of lithium batteries has always been a hassle. It can be directly charged by high voltage regardless of balance, or it can be charged by an independent ch...
SLM6800-5V input double string lithium battery balance charger
1348
0
2
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
545
40
The lithium battery charging protection board type-c interface is more general + mp2144 40ua standby, single lithium battery buck chip output 1.8v in this case. Change to 1.5V battery for battery.
TP4056 charging plus protection MP2144 synchronous rectification buck
19309
0
1
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
545
40
The design charging current is 120 ~ 125ma (small current is good for extending battery life), and the charging limit voltage is 1.396V. The actual charging current is 122ma. Turning lamp voltage (red...
Two NiMH battery chargers full of rotating lights
661
0
3
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
545
40
Battery power management chip SW3518S (mall number C406811)The module can be directly plugged into DC5.5 and used. Charge all kinds of mobile phones, high power, relatively comprehensive agreement.Inp...
SW3518S full protocol fast charging source module
4083
1
2
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
545
40
This design uses the CN3722 chip as the maximum power tracking lithium battery charger, which can charge multiple batteries, the charging current can reach 5A, the charging efficiency is high, the hea...
CN3722 maximum power tracking lithium battery charger
3587
0
0
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
545
40
Project introduction: 18650 boost 5V, maximum output current 800ma, enough in general application, use synchronous rectifier boost chip FP6276, output with LED indicator, with EN output control switch...
18650 boost 5V board
1317
0
5
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
545
40
Active DC constant current electronic load, using Intel 775 radiator, design power 90W (actually stable 120W), comes with voltage and current meter.Use Intel 775 heatsinkActive design, power supply vo...
Active DC constant current electronic load
4720
1
9
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
545
40
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