This add-on board has an L298P motor driver on board. This allows two DC motors to be operated with up to 2A. In addition, the board also has a buzzer and some connections that have been brought out. See also the diagram in the next chapter. I will keep the test very short and only [mention] the buzzer and…
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Board for controlling up to 16 servos via the I2C bus. It is recommended to use an external power source, as a large amount of current is required when the servos are operating simultaneously. Facts Connection I2C Bus of the Arduino Board Arduino Uno GND GND OE Not connected SCL A5 SDA A4 VCC +5V V+ Vin Connection I2C...
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This board allows all Arduino pins to be fitted with screw terminals. It is daisy-chained, so another expansion board can be plugged on top. The reset button and a bit of space for soldering components complete the picture. Other than an LED on pin 13, the board offers no further functions. Facts 28 screw terminals 28...
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A Nano with nRF, what more could you want?
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I've found a new Arduino UNO clone. While technical data usually tempts me, this time it was the appearance that appealed to me. The board can be had for under £5 from the speedy Ali. Now I have the Arduino clone in my hands and I'm torn. I think it's great that it's discreetly built, but...
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I had a joystick, an Arduino, and a pan-tilt unit lying around, and I thought I could combine them. See what came of it. Facts This is what I needed: Analogue joystick with two axes Ardurino Uno or similar Pan-tilt with two servo motors Motor control board V1 (practical but not necessary) A few pin header cables Socket...
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Here, the assembly and commissioning of the cheap Pan/Tilt kit from AliExpress is described. Pan/Tilt is a platform that can be swiveled in two or more directions using two servos or motors. These are mostly used for cameras but are also very popular in the robotics field. Facts The following components are used for the test…
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I needed a remote control and found this interesting board with a receiver for under £5. Let's see what it can do. Facts Joystick board Description Value Operating voltage 3V – 5.3V Operating current 42mA (max) Controller ATmega8A Onboard transmitter RF 315 / 433 MHz Transfer rate 2000bps Range at 5v up to 150m Battery socket 2.54mm pitch Receiver module RF…
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Expansion board with some sensors and interaction possibilities. The board has the following components: Temperature sensor DHT11/LM35 IR sensor Buzzer RGB LED LED – Blue/Red Pushbutton – 2 Free/Remaining Light sensor Potentiometer Various connections are also accessible. Facts Pin assignments: Function Pins Pushbutton 1 2 Pushbutton 2 3 DTH11 Temperature/Humidity Sensor 4 Buzzer 5 IR Receiver 6 …
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A linear servo is controlled in exactly the same way as a rotary servo, only that it performs its movement linearly along an axis. A small slider is moved along a screw. The position is determined via a variable resistor. The resistance changes depending on the position of the slider. Positioning is done via the signal cable. Here a …
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