£250.00

King world

Price data checked 3 days ago

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£250 today · cheaper than every other day in the last 3 months

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Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 88 days · 88 data points

Historical
Generating forecast…
£250.00 £237.50 £242.50 £247.50 £252.50 £257.50 £262.50 10 June 2026 01 July 2026 23 July 2026 14 August 2026 05 September 2026

Price Distribution

Price distribution over 88 days • 1 price levels

Days at Price
88 days 0 22 44 66 88 £250 Days at Price

Price Analysis

Most common price: £250 (88 days, 100.0%)

Price range: £250 - £250

Price levels: 1 different prices over 88 days

Description
//Ultrasonic Distance alarm const int trigPin = 9; const int echoPin = 10; const int buzzer = 11; const int ledPin = 13; // defines variables long duration; int distance; int safetyDistance; void setup(){ pinMode(trigPin, OUTPUT); // Sets the trigpin as an Output pinMode(echoPin, INPUT); // Sets the echopin as an Input pinMode(buzzer, OUTPUT); pinMode(ledPin, OUTPUT); Serial.begin(9600); //Starts the serial communication } void loop() { // clear the trigPin digitalWrite(trigPin, LOW); delayMicroseconds(2); //sets the trigpin on HIGH state for 10 micro seconds digitalWrite(trigPin, HIGH); delayMicroseconds(10); digitalWrite(trigPin, LOW); // Reads the echoPin, returns the sound wave travel time in microseconds duration = pulseIn(echoPin, HIGH); // Calculating the distance distance= duration*0.034/2; safetyDistance = distance; if (safetyDistance <= 50){ //Enter the Distance digitalWrite(buzzer, HIGH); digitalWrite(ledPin, HIGH); } else{ digitalWrite(buzzer, LOW); digitalWrite(ledPin, LOW); } // Prints the distance on the Serial Monitor Serial.print("Distance: "); Serial.println(distance);

Product Specifications
Format
paperback
ASIN
B0BPGJJ733
Category
Books > Subjects > Children's Books > Biographies > Travellers & Explorers
Domain
Amazon UK
Release Date
04 December 2022
Listed Since
08 December 2022

Barcode

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