me3419
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me3419 13/02/2019
Tested with 7-9V supply voltage, sufficient for the 5V and 2.5V Voltage. I tested the voltage with three multimeters and it seems "quite accurate". The supply voltage allows a wide range from 4.5V to 30V (not explixitly tested). I have no idea where to get the 15V battery. ANENG AN8008 (US$16.99) always displays a slightly lower voltage, e.g. 4.997V for 5V. DANIU DT832 (US$4.69) seems to be less acurate (e.g. around 4.98V for 5V) and displays a still lower voltage. I have two, measurements are always really close. Kopp GDT-190A showed 4.99V to 5.01V for 5V.
AD584 Módulo de Referência de Alta Precisão de Tensão Trabalho de 4 Canais em 2.5V / 7.5V / 5V / 10V 4.5-30V
US$15.99 US$19.99
1
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me3419 20/04/2019
"10Pcs NRF24L01+ SI24R1 2.4G Wireless Power Enhanced Communication Receiver Module" is perfectly compatible with "1100 Meter Long Distance NRF24L01+PA+LNA Wireless Module With Antenna". Work really well if combined with a "no antenna version" (10Pcs NRF24L01+ SI24R1 2.4G Wireless Power Enhanced Communication Receiver Module). Sending and receiving only with the "no antenna version" covered a significantly smaller distance (in house compared to house plus garden and garage). Modifying the transmission power did not make a significant difference (hardly or not measurable). The best distance covered was below 50 meters including at least one wall. I don't think more than 100 meters will work with a normal setup.
Módulo sem fio Geekcreit® NRF24L01+PA+LNA de longa distância de 1100 metros com módulo de antena
US$6.99 US$10.99
0
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me3419 20/04/2019
A battery can be added. It actually starts to turn without strong sunlight. For artificial light a strong/direct light would be necessary. Negative: It is rather loud.
Mostruário Solar Showcase 360 ° Turntable Rotation Display Stand para exibir joias relógio anel telefone
US$9.99 US$11.99
0
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me3419 20/04/2019
Panel is delivered without any extras (wires). Has rather high Voltage 1.8V with low light (artificial ambient light in my room). Measured up to 22mA and 6.7V with artificial light. Looks good for 6V nominal voltage. Negative: Protection foil was rather hard to remove.
6V 100mA 0,6W Mini Epoxy Policristalino Painel Solar Painel Fotovoltaico
US$2.42 US$3.49
0
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me3419 20/04/2019
Already tested some, fried one. Tip: do not connect to 12V on any port, not even for a second ^_^ I use the processors without the board and an additional 16MHz oszillator. They seem to work with a much lower supply voltage than documented for 16MHz (short time usage, I think I went down to 3V). Mind that the 1.1V-Reference seems to differ for different chips.
Chip DIP28 ATmega328P-PU MCU IC com carregador de inicialização UN0
US$6.59 US$7.49
0
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me3419 10/05/2018
The panel doesn't look as perfect as in the picture - the inner cells have more distance and are slightly tilted. The performance is still good (compared to a smaller panel I own).
5V 250MA 1,25 W Mini Painel Solar Monocristalino
US$3.40 US$4.24
1
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me3419 20/04/2019
"10Pcs NRF24L01+ SI24R1 2.4G Wireless Power Enhanced Communication Receiver Module" is perfectly compatible with "1100 Meter Long Distance NRF24L01+PA+LNA Wireless Module With Antenna". Work really well if combined with a "antenna version" (1100 Meter Long Distance NRF24L01+PA+LNA Wireless Module With Antenna). Sending and receiving without one "antenna version" covered a significantly smaller distance (in house compared to house plus garden and garage). Modifying the transmission power did not make a significant difference (hardly or not measurable).
Módulo receptor de comunicação aprimorada de energia sem fio 10pcs NRF24L01+ SI24R1 2.4G
US$10.40 US$17.99
0
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me3419 20/04/2019
Product looks ok.
100Pcs 1N4001 1A 50V Diodo
US$2.99 US$3.99
1
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me3419 19/08/2019
Good, flexible house with excellent price.
Aquário Soft Tubo de tubo de PVC Mangueira para bomba de ar de tanque de tanque de peixes 2 / 10m
US$3.99 US$4.99
0
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me3419 12/08/2019
Looks good after a short test.
1M Cabo de Dados 3A Type C Corrente de Tensão LED Display Nylon Cabo de Dados de Carregamento para Samsung Xiaomi
US$5.14
0
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me3419 12/08/2019
Quick tests confirmed 100-200 mA with up to 5V. Current increases with voltage. It will not run below 100mA. I recommend using a freewheeling diode and a 100nF ceramic capacitor when using with an Arduino or ATMega to avoid resets and computational errors. May induce noise if placed close to old speakers. No issues so far with other devices, except the connected ATMega328P.
Excellway Mini Micro Submersível Motor Bombas de Água DC 3-6V 100L/H Baixo
US$4.99 US$14.99
0
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me3419 12/08/2019
Not tested, look ok.
5pcs DIY 1-Slot 18650 Bateria titular com pinos
US$5.99 US$7.99
0
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me3419 12/08/2019
Works well with: "10PCS Water Aquarium Fish Tank Oxygen Air Pump Crystal Square Elbow" ID: 1378901
Aquário Soft Tubo de tubo de PVC Mangueira para bomba de ar de tanque de tanque de peixes 2 / 10m
US$3.99 US$4.99
0
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me3419 20/04/2019
Look good, not tested.
Sensor de temperatura à prova d'água resistente PT100 de platina Sonda de temperatura
US$11.99 US$14.99
0
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me3419 20/04/2019
Looks great, not tested.
Placa de desenvolvimento Geekcreit® UNOR3 ATmega328P sem cabo Geekcreit para Arduino - produtos que funcionam com placas Arduino oficiais
US$9.99 US$16.99
0
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me3419 20/04/2019
Looked ok, not tested.
Módulo de câmera WiFi + bluetooth ESP32-CAM Placa de desenvolvimento ESP32 com módulo de câmera OV2640 Geekcreit para Arduino - produtos que funcionam com placas Arduino oficiais
US$13.99 US$23.99
0
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me3419 20/04/2019
Works. Can be tested by blowing. Rather strong winds are ncessary to activate the light.
Pequenas turbinas LED de energia eólica para projetos DIY, motor DC pequeno, pás do vento, gerador de vento
US$9.09 US$23.99
0
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me3419 20/04/2019
Look good. Not tested.
150 unidades 1W Zener Diode DO-41 3V-30V Kit de seleção de 15 valores para kit eletrônico de bricolagem
US$6.99 US$11.24
0
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me3419 20/04/2019
Looks good. Not tested.
Adaptador de dados USB OTG Type-C macho para USB feminino OTG para MacBook Samsung S8 6 Huawei M9
US$8.99 US$10.99
0
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me3419 20/04/2019
Looks good and works well. Servo is really small.
Servo Micro SG90 Mini Gear 9g para aviões e helicópteros RC
US$6.59 US$13.19
0
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