Circuits & Schematics: 10 - 3
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- Circuits Supply Microcontrollers Usage Microchip ATtiny10 Attiny13 ATtiny24 ATtiny25 ATtiny44 ATtiny45 ATtiny84 ATtiny85.. of the ATtiny is used to determine the charging time and the electric charge. The accuracy of the internal oscillator is +/-10% with the factory calibration. This can be improved to 2% or better by manual calibration or with TinyCalibrator ...19-08-2021
- Circuits Arduino Supply Microcontrollers Usage Microchip ATtiny10 Attiny13 ATtiny24 ATtiny25 ATtiny44 ATtiny45 ATtiny84 ATtiny85.. The internal oscillator of the ATtiny is used to determine energy and capacity. The accuracy of the internal oscillator is 10% with the factory calibration. This can be improved to 2% or better by manual calibration. The calibration value ...21-09-2021
- A random-bit-sequence generator is basic equipment for prototyping and testing any data-transmission system. You use such a generator when measuring BER (bit-error rate) and pattern-dependent effects in a transmission system. Such effects can ...13-10-2021
- Circuits Measurement Microcontrollers Usage Microchip ATtiny10 Attiny13 ATtiny24 ATtiny25 ATtiny44 ATtiny45 ATtiny84 ATtiny85.. current is measured (Figure 3). The LMV358 rail-to-rail OpAmp compares this with the target value, which is specified via a 10-turn 10k potentiometer and a 100k resistor and accordingly controls the gate of an IRL540N logic level power MOSFET, ...15-11-2021
- Although microcontroller manufacturers try to offer designers products that almost exactly fit the needs of their designs, another output pin is often necessary. This situation is particularly true in small designs using microcontrollers with eight ...02-03-2022
- Among the many methods available for air flow detection, self-heated thermal flow sensors are simple, cheap, rugged, and sensitive. They rely on the relationship between airspeed (V F ) and thermal impedance (Z T = C/W) of a heated sensor as shown ...23-08-2022
- .. the desired set current. Without the vernier and multiturn potentiometer, you could build the circuit for less than $10, but you then lose the advantage of a calibrated, stand-alone test box. Figure 1. A handful of inexpensive parts ...02-11-2022
- Self-heated thermal airflow sensors are simple, cheap, rugged, and sensitive. However, they exhibit an airspeed to sensor temperature response ( King’s Law ) that is very nonlinear, as shown in Figure 1. Figure 1. The TO-92 junction ...21-06-2023
- Awhile back I published a simple design idea for a thermal airspeed sensor based on a self-heated Darlington transistor pair ( Ref. 1 ). See Figure 1. Figure 1. Older design idea with self-heated Darlington thermal airflow sensor. In the circuit, ...29-12-2023
- 12-03-2024
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