This study was conducted with the following objectives: 1) to develop digital technology that supports learning in children with disabilities; 2) to test the effectiveness of digital technology used in children's learning. The sample selected to study the current context of and needs of digital technology consisted of a group of 46 teachers and parents. The sample group of children with disabilities who participated in the digital technology experiment comprised three children. The sample group who took part in the experiment in fieldwork comprised 45 children from nine types of disabilities; these were purposively sampled. The research instruments consisted of 1) ten easy-books with single vowels in Thai; 2) ninety individual implementation plans; 3) computer software to promote the reading of ten stories; 4) an evaluation form for children with disabilities' reading ability in Thai vocabulary in Prathom level 1; 5) a survey form for the current context of and the needs for digital technology to promote the children's learning; 6) an interview form for the current context of and the needs for digital technology to promote the children's learning. The data were analysed with the statistics of mean, standard deviation (SD) and efficiency assessment, using the E1/E2 formula with the 80/80 criteria. The research found that the effectiveness assessment value of digital technology to promote the children's learning was found at the rate of 86/90, which was higher than the standard rate.